*SUPPORT*
IN: wif kiki gazzer blicket fep dax wif OUT: PURPLE BLUE PURPLE YELLOW RED
IN: fep dax wif OUT: PURPLE BLUE
IN: wif dax gazzer OUT: RED PURPLE
IN: kiki OUT: YELLOW
IN: wif wif OUT: PURPLE PURPLE
IN: fep gazzer blicket kiki OUT: YELLOW BLUE RED
IN: kiki kiki blicket gazzer OUT: RED YELLOW YELLOW
IN: gazzer dax kiki OUT: YELLOW RED
IN: wif fep tufa gazzer blicket wif OUT: PURPLE PURPLE BLUE RED PURPLE BLUE
IN: gazzer gazzer tufa fep OUT: RED RED BLUE RED RED
IN: fep gazzer tufa kiki OUT: BLUE RED YELLOW BLUE RED
IN: wif tufa wif OUT: PURPLE PURPLE PURPLE
IN: kiki kiki tufa kiki OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: gazzer gazzer blicket fep tufa gazzer blicket kiki OUT: YELLOW BLUE RED RED RED BLUE RED RED

*QUERY*
IN: gazzer gazzer wif blicket kiki OUT: YELLOW RED RED PURPLE
IN: fep fep blicket wif blicket fep OUT: BLUE PURPLE BLUE BLUE
IN: wif OUT: PURPLE
IN: gazzer fep tufa gazzer blicket gazzer OUT: RED RED BLUE RED RED BLUE
IN: fep kiki dax kiki tufa gazzer dax gazzer OUT: RED YELLOW BLUE YELLOW RED YELLOW BLUE YELLOW
IN: fep OUT: BLUE
IN: kiki blicket fep OUT: BLUE YELLOW
IN: gazzer blicket kiki tufa fep OUT: YELLOW RED BLUE YELLOW RED
IN: fep kiki wif OUT: BLUE YELLOW PURPLE
IN: gazzer OUT: RED

*GRAMMAR*
wif -> PURPLE 
 kiki -> YELLOW 
 gazzer -> RED 
 fep -> BLUE 
 x1 tufa u1 -> [x1] [u1] [x1] 
 x1 dax x2 -> [x2] [x1] 
 x1 blicket u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 